hlx-logger

A passthrough stream that skims all data and logs them into a file or stdout

Features

• Being used with other hlx objects, it provides a functionality to log all data events into a file or STDOUT
• Timestamp is in UTC

Install

Usage

const hlx = require('hlx');
const {createLogger} = require('hlx-logger');

const logger = createLogger({
  level: 'simple',
  outDir: '/var/log/hls-events'
});

// Log all events into a file
hlx.src('http://example.com/master.m3u8')
.pipe(logger)
.pipe(hlx.dest())
.on('error', err => {
  console.log(err.stack);
});

API

The features are built on top of the Node's transform streams.

createLogger(options)

Creates a new TransformStream object.

params

| Name | Type | Required | Default | Description | | ------- | ------ | -------- | ------- | ------------- | | options | object | No | {} | See below |

options

| Name | Type | Default | Description | | ----------- | ------ | ------- | --------------------------------- | | level | string | 'simple' | level should be either of 'simple', 'objDump', or 'raw' | | outDir | string | All logs are output to process.stdout | outDir should be a path to a directory in which log files are stored | | omitTime | boolean | false | If true, timestamps are not logged |

return value

An instance of TransformStream.